/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package homework;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import javax.annotation.processing.Filer;

/**
 *
 * @author Administrator
 */
public class Notices {
    public String getTodayName(){
        Date date = new Date();
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
        String dateString = formatter.format(date);
        return dateString;
        
    }
    public String getTomorrowName(){
        Date date = new Date();
        Calendar calendar = new GregorianCalendar();
        calendar.setTime(date);
        calendar.add(calendar.DATE,1);
        date = calendar.getTime();
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
        String dateString = formatter.format(date);
        return dateString;
                
    }
    public void getTodayNotices() throws FileNotFoundException, IOException{
        File file = new File("notices/"+getTodayName()+".txt");
        if(file.exists()){
            FileReader f =new FileReader(file);
            BufferedReader br = new BufferedReader(f);
            String temp =null;
            while ((temp=br.readLine())!=null) {
            System.out.println(temp);
                
            }
        }else{
            System.out.println("今天没有什么要提醒的。");
        }
        
    }
    public boolean setTomorrowNotices(String notices) throws IOException{
        
        File file = new File("notices");
        if(!file.exists()){
            file.mkdir();
        }
        file = new File("notices/"+getTodayName()+".txt");
        if(!file.exists()){
            file.createNewFile();
        }
        FileOutputStream f = new FileOutputStream(file,true);
        PrintWriter p = new PrintWriter(f,true);
        p.println(notices);
        System.out.println("成功添加一条明天的备忘信息");
        return true;
   
}
    public static void main(String[] args) {
        
        Notices n = new Notices();
        String dateString = n.getTodayName();
        System.out.println(dateString);
        String tomorrowString = n.getTodayName();
        System.out.println(tomorrowString);
    }

   
    

}
